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Visaton Speaker Driver - AL 170 - 8 Ohm High-end Low Midrange
Art. No. 1302
Visaton Rear of AL170 - 8 Ohm
Characteristics and Sound Properties
17cm (6.5") High-End low midrange driver with stiff, anodized aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low electrical and mechanical losses due to vented pole plate, vented damper and capton voice-coil. Extremely long cone displacement due to long stroke voice coil. Suitable as low-midrange driver for 2-, 3- and 4-way high-end applications up to 2500 Hz.
Technical Specifications
| Rated power | 70 W |
| Maximum power | 100 W |
| Nominal impedance Z | 8 Ohm |
| Frequency response (fu: Lower cut-off frequency depending on cabinet) |
fu-10000 Hz |
| Mean sound pressure level | 88 dB (1W/1m) |
| Dispersion angle (-6 dB) | 51°/4000 Hz |
| Excursion limit | ± -11 mm |
| Resonance frequency fs | 38Hz |
| Magnetic induction | 1.1 T |
| Magnetic flux | 520 uWb |
| Height of front pole-plate | 6 mm |
| Voice coil diameter | 25 mm |
| Height of winding | 18 mm |
| Cutout diameter | 150 mm |
| Net weight | 1.2 kg |
| DC resistance Rdc | 5.6 Ohm |
| Mechanical Q factor Qms | 3.88 |
| Electrical Q factor Qes | 0.43 |
| Total Q factor Qts | 0.39 |
| Equivalent volume Vas | 34 litres |
| Effective piston area Sd | 133 cm2 |
| Dynamically moved mass Mms | 13 grams |
| Force factor Bxl | 6.9 Tm |
| Inductance of the voice coil L | 0.9 mH |
Recommended Cabinet Sizes
| Volume / Principle | BR Port | fb | fc / QTC |
| 10 litre / closed | - | - | 79 Hz/0.81 |
| 20 litre / bass reflex | BR 19.24 (length 13cm) | 43 Hz | - |
| 30 litre / bass reflex | BR 19.24 (length 11cm | 39 Hz | - |
fc = System resonance (sealed box system)
QTC = The system's Q at resonance (fc)
Driver Dimensions
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
Loudspeaker Frequency and Impedance Response Graph
Directivity Pattern
Loudspeaker Directivity Pattern (on and off axis response)
Waterfall Spectrum
Loudspeaker Waterfall Spectrum Chart
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